xref: /qemu/include/scsi/pr-manager.h (revision 8110fa1d)
1 #ifndef PR_MANAGER_H
2 #define PR_MANAGER_H
3 
4 #include "qom/object.h"
5 #include "qapi/visitor.h"
6 #include "qom/object_interfaces.h"
7 #include "block/aio.h"
8 #include "qemu/coroutine.h"
9 
10 #define TYPE_PR_MANAGER "pr-manager"
11 
12 typedef struct PRManager PRManager;
13 typedef struct PRManagerClass PRManagerClass;
14 DECLARE_OBJ_CHECKERS(PRManager, PRManagerClass,
15                      PR_MANAGER, TYPE_PR_MANAGER)
16 
17 struct sg_io_hdr;
18 
19 struct PRManager {
20     /* <private> */
21     Object parent;
22 };
23 
24 /**
25  * PRManagerClass:
26  * @parent_class: the base class
27  * @run: callback invoked in thread pool context
28  */
29 struct PRManagerClass {
30     /* <private> */
31     ObjectClass parent_class;
32 
33     /* <public> */
34     int (*run)(PRManager *pr_mgr, int fd, struct sg_io_hdr *hdr);
35     bool (*is_connected)(PRManager *pr_mgr);
36 };
37 
38 bool pr_manager_is_connected(PRManager *pr_mgr);
39 int coroutine_fn pr_manager_execute(PRManager *pr_mgr, AioContext *ctx, int fd,
40                                     struct sg_io_hdr *hdr);
41 
42 PRManager *pr_manager_lookup(const char *id, Error **errp);
43 
44 #endif
45